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Finding the Fourth Proportional to 69,952.94, 96,571.62 and 54,396.08

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Solution

The fourth proportional to 69,952.94, 96,571.62 and 54,396.08 is: 75,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.94 : 96,571.62 = 54,396.08 : x
  2. Step 2: Convert to fraction form
    69,952.94/96,571.62 = 54,396.08/x
  3. Step 3: Cross multiply
    69,952.94x = 96,571.62 × 54,396.08
  4. Step 4: Simplify right side
    69,952.94x = 5,253,117,567.25
  5. Step 5: Solve for x
    x = 5,253,117,567.25/69,952.94
  6. Step 6: Final answer
    x = 75,095.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.